A survey found the following number of pets in different households.

What is the mean absolute deviation for the number of pets?

 A Survey Found The Following Number Of Pets In Different Households. What Is The Mean Absolute Deviation

Answers

Answer 1

Answer:

absolute deviation means distance between each data value and the mean of the data set.

Step-by-step explanation:

(MAD)

or

(Average)


Related Questions

Mars has an angular size of approximately 8. 0 arcseconds as is 175,000,000 km away. Use S = r x a to figure out the diameter of Mars

Answers

The diameter of Mars is 6825 kilometers.

First we quantify angular size a = 8. 0 arcseconds in radians.

a = ( 8/ 3600) × (π/180)

a = 0.000039 radians

also, the distance from Earth to Mars in kilometres is 175,000,000 km

So, r = 175,000,000 km

We use the formula S = r x a to find the diameter of Mars

Substitute r = 175,000,000 and a = 0.000039 in above formula

S = 175,000,000 × 0.000039

S = 6825 km

Therefore, the diameter is 6825 km

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5. Write two expressions for the area of the big rectangle. ​

Answers

Answer:

Two expressions for the area are;

i) x/3 + 2·y + 6

ii) (1/3) × (x + 6·y + 18)

Step-by-step explanation:

The given dimension of the rectangle are;

The height of the rectangle, h = 1/3

The width of the smallest rectangle, w₁ = x

The width of the med sized rectangle, w₂ = 6·y

The width the large rectangle, w₃ = 18

The area, 'A', of the entire rectangular figure, the big rectangle, can be expressed as follows;

A = A₁ + A₂ + A₃

Where;

A₁ = The area of the smallest rectangle

A₂ = The area of the mid sized rectangle

A₃ = The area of the large rectangle

∴ A = (1/3) × x + (1/3) × 6·y + (1/3) × 18 = x/3 + 2·y + 6

The area of the big rectangle. 'A', can also be found as follows;

A = (1/3) × (x + 6·y + 18)

Therefore, two expressions for the area of the big rectangle are;

x/3 + 2·y + 6 and (1/3) × (x + 6·y + 18).

If the value of the discriminant is 10, then a quadratic equation has how many roots? 1) zero roots 2) one root 3) two roots 4) three roots

Answers

its two roots. (x>0 two roots), (x=0 one root), (x<0 no roots)

write the equation of the cirlce, in standard form which has endpoints of a diameter at (-5,-5) and (7,2)

Answers

The equation of the circle in standard form is  ( x-h )2 + ( y-k)2 = r2. we can get the equation by putting the values of x coordinates and y coordinates of the circle.

A circle can be defined as a 2-D closed geometrical shape whose boundary points are at an equal distance from the center of the geometry.

Equation of the circle in standard form is,

( x-h )2 + ( y-k)2 = r2

we have to find the  the x-coordinate (h) & y-coordinate (k) of the center of the circle by taking the summation of x-coordinates & y-coordinates of the endpoints of the diameter respectively and dividing by 2.

here, h = ( x1 + x2 ) / 2

         k = ( y1 + y2 ) / 2

here endpoints of a diameter are at (-5,-5) and (7,2). Calculate the distance between  (-5,-5) and (7,2) using the distance formula and divide by 2 to get the circle's radius. Substitute the center coordinates and radius into a standard form to get the equation of the circle.

so, h = -5 + 7 / 2 = 1

     k = -5 + 2 / 2 = -3/2

Putting all the values we get the equation of circle in standard form.

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hello please help i’ll give brainliest

Answers

I think its d I haven’t studied this for a yearly
B, I think that is it?

A Sale at Tinley’s Department Store Tinley’s department store is having a 25% off sale. Victor has a $15 Tinley’s gift certificate that he wants to use towards a sweater with an original price of $32.00. He is unsure which method the sales clerk will use to calculate the amount owed. Method #1: Subtract $15 from the price and take 25% off the resulting price. Method #2: Take 25% off the original price and then subtract $15.

Answers

Answer:

Method 1: $12.75

Method 2: $9

Step-by-step explanation:

method #1: 32-15 is $17

In order to take off a percentage, we must find that percentage of the amount. To do this, we must multiply by the percent in decimal form, so

[tex]17 \times .25 = 4.25[/tex]

Now, this amount just represents the percent of 17 we would take off, so we must take that amount off.

[tex]17 - 4.25 = 12.75[/tex]

We would pay $12.75

Method #2:

There are a few ways to do this with 25%. we know 25% is 1/4, and 1/4 or $32 is 8. so we can simply take that off from the start. Otherwise, we can follow the method above as follows

[tex]32 \times .25 = 8[/tex]

Again, this is the amount off so we must subtract.

[tex]32 - 8 = 24[/tex]

now, we subtract 15.

[tex]24 - 15 = 9[/tex]

We would pay $9 using this method.

Hope this helps!

I neeed answers plz for the whole page

Answers

Answer:

d

50.5

not a function

A

? cant see the last one

Step-by-step explanation:

If Matrix A is 5 x 2 and Matrix B is 3 x 5, then Matrix BA is 5 x 5.

Answers

Answer:

Correct, 25.

Step-by-step explanation:

Find the m∠r and m∠y

Answers

r = 88.5

y = 3/4

Step-by-step explanation:

From the lower triangle,

97 - 2x = 4x -2

Collecting all similar terms, we get

6x = 99 or x = 16.5

From the upper triangle, we can see that

5x + 6 = r ---> 5(16.5) + 6 = r or r = 88.5

Since the sum of all the interior angles of a triangle is equal to 180, we can write

4y + (5x + 6) + r = 180 ---> 4y + 5(16.5) + 6 + 88.5 = 180

4y = 3 or y = 3/4

Dennis made an extra 245. 00 do for selling furniture was 7% of the total value of the furniture he sold. What was the total value of the furniture Dennise sold?

Answers

The total value of the furniture that was sold by Dennis is 3,500 dollars.

What is the percentage?

The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

Dennis made an extra $245.00 for selling furniture.

Let the cost of the furniture be x.

Let the total value of the furniture be x + 245.

The extra $245.00 was 7% of the total value of the furniture he sold.

0.07(x + 245) = 245

        x+ 245 = 3500

                  x = 3255

Then the total value of the furniture is (3,255 + 245 =) $3,500.

Hope it helped!

To get to his parents' house, Dylan would have to drive due north 8 miles. To get to his
grandparents' house, he would have to drive due east 5 miles. What is the straight-line
distance between the parents' and grandparents' houses? If necessary, round to the nearest
tenth.

Answers

When Dylan travels 8 miles due north, the distance between the homes of the parents and grandparents is thus 9 miles.

what is pythagoras theorem ?

The hypotenuse side of a right-angled triangle's square is equal to the sum of its other two sides, according to Pythagoras' Theorem. The perpendicular, base, and hypotenuse of this triangle are its three named sides. With the aid of the Pythagorean Theorem, we may determine the side lengths of a right triangle by adding the areas of three intersecting squares. The base for more intricate trigonometry ideas, such as the Pythagorean theorem's opposite, is provided by this theorem, which is a very helpful tool.

given

by pythagoras theorem

[tex]c^{2} = a^{2} + b^{2} \\c^{2} = 8^{2} + 5^{2} \\c^{2} = 64 + 25 \\c^{2} = 89 \\c = 9[/tex]

The homes of the parents and grandparents are thus 9 miles apart in a straight line.

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The scattered plot below shows the relationship between the total calories a meal has and the number of calories from fat.

If a meal has 300 calories from fat, how many total calories would you expect it to have?

Answers

Total 400 calories is expected to have a meal has 300 calories from fat  the relationship between the total calories a meal has and the number of calories from fat .

what is scatterplot ?

A scatter plot is a collection of dots that have been plotted along a horizontal and vertical axis. Statistics uses scatter plots because they can display the degree of connection, if any, between values of observable quantities or events (called variables). There are points on a scatter (XY) plot that depict the connection between two sets of data. The sample illustrates the weight and height of one person for each dot. Data points are plotted on a horizontal and vertical axis using scatter plots in an effort to demonstrate the degree to which one variable is influenced by another. The values of the columns selected on the X and Y axes determine where each row in the data table is represented by a marker, whose position.

given

300 calories from fat

total = 100 + 100 + 200

= 400 calories

Total 400 calories is expected to have a meal has 300 calories from fat  the relationship between the total calories a meal has and the number of calories from fat .

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vivian and her dad drive from Boston to niagara falls it takes them 9 hours to drive 495 miles what is their driving rate in miles per hour.

Answers

Answer:

55 miles per hour

Step-by-step explanation:

The equation is:

R = d / s

We know

d = 495 miles

s = 9 hours

Let's solve

R = 495 / 9

R = 55 miles per hour

So, their driving rate is 55 miles per hour

Find the volume of given solid figure.​

Answers

Answer:

48cm3

Step-by-step explanation:

Volume of a rectangular box = a.b.c
The volume of the solid figure: (2.2.5) + (7.2.2) = 20 + 28 = 48 cm3

Witch ones do I select

Answers

On solving the provided proportionality question we got that, U = 7.72, is rounded off nearest to tenth digit.

What is proportionality?

When two quantities or variables are linearly related in mathematics, the term "proportional" is used. Both quantities increase by two times when one increases by two. Each variable decreases in proportion to the other when it falls to 1/100th of its previous value.We must determine the ratio of the two quantities for each value supplied in order to determine if two quantities are proportionate. The proportionate link between them is evident if their proportions are equal. Their connection is not proportionate if all the ratios are out of balance.

Here,

U/5 = 17/11

U = 17/11 X 5

U = 7.72

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For the 1996 General Social Survey, conducted by the National Opinion Research Center NORC, 842 replied "yes" and 982 replied "no. " Let π denote the population proportion who would reply "yes. " Find the P-value for testing H0 : π = 0. 5 using the score test, and construct a 95% confidence interval for π. Interpret the results

Answers

At a significance level of 0.05, the sample data is not consistent with the null hypothesis that the proportion of population who would respond "yes" is 0.5. The P-value of 0.0005 is less than 0.05, and also the sample proportion 0.4616 is not in the interval (0.477, 0.523) which we found as 95% Confidence interval.

Therefore, we reject the null hypothesis and conclude that the population proportion of "yes" responses is different from 0.5.

The P-value for a score test for H0: π = 0.5 can be found using the z-score and a standard normal table. The z-score is calculated as

[tex]z = \frac{x-0.5}{0.5\sqrt{\frac{x-0.5}{n} } }[/tex], that is

z = (x - 0.5) / (√(0.5(1 - 0.5) / n)

where x is the sample proportion of "yes" responses (842 / (842 + 982) = 0.4616), π is the population proportion of "yes" responses, and n is the sample size (842 + 982 = 1824).

[tex]z = \frac{0.4616-0.5}{0.5\sqrt{\frac{0.4616-0.5}{1824} } }[/tex]

= (0.4616 - 0.5)/ (√(0.5(1 - 0.5) / 1824)

This gives a z-score of -3.28.

To find the P-value, we can use the standard normal table to find the probability of observing a z-score less than -3.28. This P-value is approximately 0.0005, which is less than the commonly used significance level of 0.05. Therefore, we would reject the null hypothesis that π = 0.5.

To construct a 95% confidence interval for π, we can use the formula for a normal approximation interval:

π ± z×(√(π(1-π) / n)) that is

[tex]\pi \frac{+}{} z\frac{\pi (1 -\pi )}{n}[/tex]

Where π = 0.5, z = 1.96 (for a 95% confidence level), and n = 1824.

This gives a 95% confidence interval of (0.477, 0.523)

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Help quickly this is for a final!

The polygons are similar.

The perimeter of pentagon RSTPQ is ___ units.

Answers

Answer:

unidentified

Step-by-step explanation:

could you please send the other polygon or send an attachment of the whole question because this information is not enough

10 cm
3 cm
I need help with this

Answers

Answer:

Step-by-step explanation:

I need help plz look at picture thx

Answers

The answer is G. N=2 (75) d

Help me pleaseee!!!!

Answers

Answer:

y = (10 + 7)/x  or  y = x/10 + 7/10

Step-by-step explanation:

y = 10x - 7

switch x and y

x = 10y - 7

add 7 to both sides

x + 7 = 10y

Divide both sides by 10

(x + 7)/10 = y

Flip

y = (10 + 7)/x  or  y = x/10 + 7/10

How do you factor 10^2 + 9x - 7

Answers

Step-by-step explanation:

10²+9x-7

BRAINILIEST PLEASE

2log 6- log 12 + log 16​

Answers

Answer:

[tex] log48[/tex]

Step-by-step explanation:

[tex]2log6 - log12 + log16 \\ \\ = log {6}^{2} - log12 + log16 \\ \\ = log36 - log12 + log16 \\ \\ = log \frac{36}{12} + log16 \\ \\ = log3 + log16 \\ \\ = log(3 \times 16) \\ \\ = log48[/tex]

Why do people in upper ranks pretend like their proffesional when like 90% of them plagerize and then they have the adosity to report others

Answers

Answer: I dont know

Step-by-step explanation:

Honestly I agree

What does ln () do in Excel?

Answers

ln() is a function in Excel that calculates the natural logarithm of a number. The natural logarithm is the logarithm to the base e, where e is an irrational number approximately equal to 2.718281828.

1. Enter the number for which you want to calculate the natural logarithm in a cell.

2. Click on the cell and enter "=ln()" function (without the quotation marks) in the formula bar.

3. Within the parentheses, enter the cell reference or the number for which you want to calculate the natural logarithm.

4. Press the Enter key and the natural logarithm of the number will be calculated and displayed in the cell.

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How many ways can we put 3 math books and 5 English books on a shelf if all the math books must stay together and all the English books must also stay together

Answers

On solving the provided question, we can say that the permutation will bw  , N = (4!)(5!)(3!)(3!)= 103,680

what is permutation?

The permutation of a set in mathematics is essentially the rearranging of its elements if the set is already ordered, or the arrangement of its members in a linear or sequential order. The act of altering the linear order of an ordered set is referred to as a "permutation" in this context. The mathematical calculation of the number of possible arrangements for a given set is known as permutation. Permutation, in its simplest form, refers to the variety of possible arrangements or orders. The placement of the elements matters with permutations. The placement of items in a specific order is known as a permutation. Here, the set's components are sorted in either chronological order or linear order. like in the case of.

we can put 3 math books and 5 English books on a shelf if all the math books must stay together and all the English books must also stay together will be , N = (4!)(5!)(3!)(3!)= 103,680

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I have 2 bags of onion bhajis, one of which holds 42 bhajis. I empty them
onto a plate, making 50 bhajis. How many bhajis were in the second bag?

Answers

There were 8 bhajis in the second bag if he have 2 bags of onion bhajis, one of which holds 42 bhajis.

What is an equation ?

In mathematics, an equation is a statement that asserts the equality of two expressions, typically containing one or more variables. Equations are often written in the form of "expression = expression" or "expression - expression = 0"

Let's call the number of bhajis in the second bag "x".

We know that he total number of bhajis after emptying both bags onto the plate is 50.

So we can write an equation:

42 + x = 50

To solve for x, we can subtract 42 from both sides:

x = 50 - 42

x = 8

Therefore, there were 8 bhajis in the second bag.

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What is the area of the polygon?
6 inches 3 inches​

Answers

Area of polygon = 1/2 pa. So it would be 0.5 x 6 x 3. The fire the area is 9

Answer:

9

Step-by-step explanation:

NEED HELP DUE TOMORROW PLS!!!!!!

Answers

The cost of filling the cone to its full capacity would be = 189.4 cents

What is a cone?

A cone is a three-dimensional figure in geometry that tapers from a flat base (usually a circular base) to a point called a vertex or longitude (which forms an axis through the center of the base).

The formula for the volume of a cone = πr²h/3

Height (h) = 5 inches

Radius (r) = 3 inches

π = 3.14

volume = 3.14 × 3² × 5/3

= 3.15 × 9 × 1.67

= 47.35 in³

But 1 in³ = 4 cents

47.35 in³ = X

Make X the subject of formula;

X = 47.35 × 4 = 189.4 cents.

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The Top-Notch Middle School had athletes from all the grades playing on a sports team.



6th grade 7th grade 8th grade

Basketball 2 4 7

Baseball 1 6 5

Soccer 7 4 4

Football 8 15 10


The Top-Notch Middle School had athletes from all the grades playing on a sports team.


Explain what the ratio 5:73 represents.

The ratio 5:73 represents the ratio of 8th grade baseball players to total athletes.

The ratio 5:73 represents the ratio of 7th grade football players to total athletes.

The ratio 5:73 represents the ratio of total athletes to 7th grade football players.

The ratio 5:73 represents the ratio of 6th grade athletes to total athletes.

Answers

Based on the information presented, the ratio represents 8th-grade baseball players to total athletes.

What is a ratio?

A ratio is a mathematical expression that shows the proportion or the number of a specific element in a category compared to the number of another element in the same category. For example, if you count the animals on a farm the ratio of cows to chickens can be 5:7, which means that for every 5 cows there are 7 chickens.

What does the ratio 5:73 mean?

5 : This is the number of baseball players who are in 8th-grade

73: This is the total of players. You get this number if you add all the numbers given.

Based on this, this ratio is comparing the number of baseball players and total players, which means the meaning of this ratio is " the ratio of 8th grade baseball players to total athletes".

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help my daughter Please. This is timed and she has 5 minutes left. No links please no links no links just the straight up answer.It is question 3. I will give brain list.​

Answers

Answer:

a decagon is 36° and I'm not sure about the 20-gon sorry

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